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qla2xxx: Set FLOGI retry in additional firmware options for P2P (N2N) mode.

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When VP decoupling enabled, there could be a window where, FLOGI from initiators
can be dropped before VP0 is enabled, causing link level recovery.
Retry FLOGI to avoid link level recovery.

Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Giridhar Malavali 2016-07-06 11:14:20 -04:00 committed by Martin K. Petersen
parent a29b3dd7aa
commit 088d09d465
2 changed files with 25 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/qla2xxx/qla_dbg.c
View File

@ -16,7 +16,7 @@
* | | | 0x016e-0x0170 |
* | Mailbox commands | 0x1192 | |
* | | | |
* | Device Discovery | 0x2016 | 0x2020-0x2022, |
* | Device Discovery | 0x2003 | 0x2016 |
* | | | 0x2011-0x2012, |
* | | | 0x2099-0x20a4 |
* | Queue Command and IO tracing | 0x3074 | 0x300b |

24
drivers/scsi/qla2xxx/qla_init.c
View File

@ -2053,6 +2053,14 @@ qla2x00_update_fw_options(scsi_qla_host_t *vha)
if (IS_QLA6312(ha))
ha->fw_options[2] |= BIT_13;
/* Set Retry FLOGI in case of P2P connection */
if (ha->operating_mode == P2P) {
ha->fw_options[2] |= BIT_3;
ql_dbg(ql_dbg_disc, vha, 0x2100,
"(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
__func__, ha->fw_options[2]);
}
/* Update firmware options. */
qla2x00_set_fw_options(vha, ha->fw_options);
}
@ -2070,6 +2078,14 @@ qla24xx_update_fw_options(scsi_qla_host_t *vha)
if (ql2xfwholdabts)
ha->fw_options[3] |= BIT_12;
/* Set Retry FLOGI in case of P2P connection */
if (ha->operating_mode == P2P) {
ha->fw_options[2] |= BIT_3;
ql_dbg(ql_dbg_disc, vha, 0x2101,
"(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
__func__, ha->fw_options[2]);
}
/* Update Serial Link options. */
if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
return;
@ -6513,6 +6529,14 @@ qla81xx_update_fw_options(scsi_qla_host_t *vha)
if (ql2xfwholdabts)
ha->fw_options[3] |= BIT_12;
/* Set Retry FLOGI in case of P2P connection */
if (ha->operating_mode == P2P) {
ha->fw_options[2] |= BIT_3;
ql_dbg(ql_dbg_disc, vha, 0x2103,
"(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
__func__, ha->fw_options[2]);
}
if (!ql2xetsenable)
goto out;